Akihiro Koyama

Giant calcifying epithelioma of Malherbe (pilomatrixoma): imaging features

Teruo Ichikawa, Yoichiro Nakajima, Hajime Fujimoto et al. · Skeletal Radiology · 1997 · 48 citations

Medicine, Oncology, Pathology +8

Retroperitoneal ganglioneuroma extending across the midline: MR features

Tomoaki Ichikawa, Akihiro Koyama, Hajime Fujimoto et al. · Clinical Imaging · 1993 · 26 citations

Medicine, Neurology, Neurosurgery +7

Serum ratio of soluble triggering receptor expressed on myeloid cells-1 to creatinine is a useful marker of infectious complications in myeloperoxidase-antineutrophil cytoplasmic antibody-associated renal vasculitis

Kouichi Hirayama, M. Nagai, Isao Ebihara et al. · Nephrology Dialysis Transplantation · 2010 · 13 citations · Full text

Life Sciences, Immunology, Infectious Diseases +17

Abdominal wall desmoid mimicking intra-abdominal mass: MR features

Tomoaki Ichikawa, Akihiro Koyama, Hajime Fujimoto et al. · Magnetic Resonance Imaging · 1994 · 12 citations

Medicine, Anatomy, Surgery +13

[A case of systemic AA amyloidosis complicating Crohn's disease].

Kaori Muro, Minàko Kobayashi, Yukihiro Shimizu et al. · PubMed · 1998 · 12 citations

Medicine, Internal Medicine, Pathology +12